Alex Pettyfer: Shirtless for 'Magic Mike'!

Alex Pettyfer shows off his toned shirtless physique as he walks on the set of Magic Mike on Tuesday (September 20) in Los Angeles.

The 21-year-old actor, who wore a loose sweatshirt and boxer briefs, was joined on set by his co-stars Channing Tatum, Riley Keough, and Cody Horn.

PHOTOS: Check out the latest pics of Alex Pettyfer

Other actors starring in the film include Matt Bomer, Matthew McConaughey, and Joe Manganiello.

10+ pictures inside of a shirtless Alex Pettyfer and his Magic Mike cast mates walking on location…